Starmark Sprocket with Ridged Dog Treat Green, 1ea/LGHelp prevent destructive boredom behaviors with Starmark Everlasting Toys. Made of a soft, yet tear resistant proprietary material, they hold up to even the toughest canine chewers. They can be frozen for a cool summertime treat, and are dishwasher safe for convenient and easy clean up. Provide hours of interactive chewing challenge. Features two levels of difficulty: insert Everlasting Treat in top level for normal play or push down to lower level